Remove many features when building product mode

runtime/lib/developer.cc

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/bootstrap_natives.h"
 
 #include "include/dart_api.h"
 
 #include "vm/debugger.h"
 #include "vm/exceptions.h"
+#include "vm/flags.h"
 #include "vm/native_entry.h"
 #include "vm/object.h"
 #include "vm/object_store.h"
 #include "vm/service.h"
 
 namespace dart {
 
 // Native implementations for the dart:developer library.
 
 DEFINE_NATIVE_ENTRY(Developer_debugger, 2) {
   GET_NON_NULL_NATIVE_ARGUMENT(Bool, when, arguments->NativeArgAt(0));
   GET_NATIVE_ARGUMENT(String, msg, arguments->NativeArgAt(1));
   Debugger* debugger = isolate->debugger();
-  if (!debugger) {
+  if (!FLAG_support_debugger || !debugger) {
     return when.raw();
   }
   if (when.value()) {
     debugger->BreakHere(msg);
   }
   return when.raw();
 }
 
 
 DEFINE_NATIVE_ENTRY(Developer_inspect, 1) {
   GET_NATIVE_ARGUMENT(Instance, inspectee, arguments->NativeArgAt(0));
-  Service::SendInspectEvent(isolate, inspectee);
+  if (FLAG_support_service) {
+    Service::SendInspectEvent(isolate, inspectee);
+  }
   return inspectee.raw();
 }
 
 
 DEFINE_NATIVE_ENTRY(Developer_log, 8) {
+  if (!FLAG_support_service) {
+    return Object::null();
+  }
   GET_NON_NULL_NATIVE_ARGUMENT(String, message, arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Integer, timestamp, arguments->NativeArgAt(1));
   GET_NON_NULL_NATIVE_ARGUMENT(Integer, sequence, arguments->NativeArgAt(2));
   GET_NON_NULL_NATIVE_ARGUMENT(Smi, level, arguments->NativeArgAt(3));
   GET_NON_NULL_NATIVE_ARGUMENT(String, name, arguments->NativeArgAt(4));
   GET_NATIVE_ARGUMENT(Instance, dart_zone, arguments->NativeArgAt(5));
   GET_NATIVE_ARGUMENT(Instance, error, arguments->NativeArgAt(6));
   GET_NATIVE_ARGUMENT(Instance, stack_trace, arguments->NativeArgAt(7));
   Service::SendLogEvent(isolate,
                         sequence.AsInt64Value(),
                         timestamp.AsInt64Value(),
                         level.Value(),
                         name,
                         message,
                         dart_zone,
                         error,
                         stack_trace);
   return Object::null();
 }
 
 
 DEFINE_NATIVE_ENTRY(Developer_postEvent, 2) {
+  if (!FLAG_support_service) {
+    return Object::null();
+  }
   GET_NON_NULL_NATIVE_ARGUMENT(String, event_kind, arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(String, event_data, arguments->NativeArgAt(1));
   Service::SendExtensionEvent(isolate, event_kind, event_data);
   return Object::null();
 }
 
 
 DEFINE_NATIVE_ENTRY(Developer_lookupExtension, 1) {
+  if (!FLAG_support_service) {
+    return Object::null();
+  }
   GET_NON_NULL_NATIVE_ARGUMENT(String, name, arguments->NativeArgAt(0));
   return isolate->LookupServiceExtensionHandler(name);
 }
 
 
 DEFINE_NATIVE_ENTRY(Developer_registerExtension, 2) {
+  if (!FLAG_support_service) {
+    return Object::null();
+  }
   GET_NON_NULL_NATIVE_ARGUMENT(String, name, arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Instance, handler, arguments->NativeArgAt(1));
   isolate->RegisterServiceExtensionHandler(name, handler);
   return Object::null();
 }
 
 }  // namespace dart